How to use Cramer's rule to solve the system of equations?

Question

anonymous · Answer

attachment

hartnn · Answer

is that cramer's rule? @MarcLeclair

anonymous · Answer

I am pretty sure thats it?  am i wrong? :/ thats what i learned years ago

anonymous · Answer

If  i am im terribly sorry haha

anonymous · Answer

I probably got it wrong :( you help me then hartnn

hartnn · Answer

i thought cramer's rule is related to matrices....@dandyyy  this question belong to which topic?

anonymous · Answer

Never mind isnt carmers rule with linear algebra?

hartnn · Answer

yes, it is and so does matrices....

anonymous · Answer

hartnn · Answer

yup, there is use of co-efficient matrix...
which part do u have confusion ?

hartnn · Answer

any specific thing bugging u ?

anonymous · Answer

|dw:1347490175210:dw| Is that correct so far? Sorry i took so long i had to pick my brother up from school :P